Zylkene is a calming supplement that contains a natural ingredient derived from a protein in milk that has clinically proven calming properties. This protein molecule is well known to promote the relaxation of new-borns after breastfeeding by delivering calming messages to the brain via the body's natural messenger system called neurotransmitters.

Zylkene is available as a capsule or as a chew to suit all breeds and sizes of cat or dog.